Usttebwal-combustiok  engine



E. H.RYON.

INTERNAL'COMBUSUON ENGINE. APPLICATION-FILED DEC. 4, 1913.

1,193,620 PatenfedAug.8,1916.

2 SHEETSSHE ET I Mil 1'11 e ases. V

mechanism thereo ryn H. axon, or WALTEAM}MAssAoHUsErTs.

To all-whom it may coacem: I Be it known that I, EPPA H. lti'oina citizen of the United States, residlng 'at W altham, in the county of Middlesex and State of Massachusetts. have invented new and useful Improvements in Internal-Combustion Engines, ofwhich thefollowing is a specification. j

This invention relates-to internal combustion enginesand particularly to' the valve requiring the least possible attention. This other objects of my invention willbe more fully described in these specifications, set forth in the appended claims and illustrated in the accompanying drawings, in

' 4 gases. These-openings are also shownin broken linesin Fig. 8, and are out of axial being placed a which Figure 1 is a side elevation and partial section of a two cylinder engine, embodying my improvements, one of the cylinders and one of the valves being shown in section. Fig. 2 is a plan view. Fig. 3 is an end viewof the upper portion containing the valves, the lower portion or cylinders being broken away. Fig. 4c isa section on line A A Fig. 1 looking in direction ofarrow B same figure. Fig. 5 is a section on line C C Fig. 1 looking in the direction of arrow B. Fig. Gisa section on line D I) Fig. 1 looking in the direction of arrow B. l ig. 7 is a detached view of the valves; Fig. 8 is an end view of the valves shown in Fig. 7. Fig. 9 is a sectional View showing modification of one of the valves. r

In the accompanying drawing the main cylindercasing of a gas engine is indicated at Lsaid casing having one or more cvlinders 1 each provided with a piston oi the usual construction (not shown), andbeing also connected at its .upper end Wli'll a .co mbustion chamber 2 having an outlet port 3 and an inlet port 4;. Substantially semi-cylindrical valve recesses 5 and dare formed in the main cylinder casing 1 on opposite sides oi: the combustion chamber 2.

The recess 5 is provided for the inlet valve 11 and is connected to the combustion cham- ,er 2 by the inlet port at, while the recess 6 is designed to receive the out letvalve 12. and

- INTERNAL-COMBUSTION"ENGINE.

Specification ofLettei's retenta uea-udn filed members-i913. sesame. $04,636.

is connected it to by the" outlet port 3.

reamed Aug. 8, 1916.

thecombustion chamber 2 A casing cap 7 is bolted, to the upper portion of the main cylinder casing l and may contain a space 8 connected to the water circulating system. cal valve recesses 9 and '10 are formed in the cap 7, said recesses corresponding to and bemg in alinement with the valve recesses 5 and 6 formed in the main casing 1. The inlet valve 11 andthe outlet valve 12 are each entirely inclosed within the complete cylindrical recesses thus formed.

The valve 12, as shown. in Fig. 1, consists of a hollow disk which in this instance is part of a solid shaft 13 which extends en-l which casing tirely through the valve casing, is composed of the cap .7 and upper, portion ofthe. main cylinder casing 1 and is divided along a plane passing through substantially the longitudinal center of said shaft. On opposite sides of the valve 12 are openings 12 and 12 for the escape of the burnt alinement, the opening 12 considerable distance around the center of rotation of the valve shaft 13 from theopening 12. I a

The valve 11 is of a similar construction Additional semi-cylindri- Y to that of thevvalve l2the only difference belngin the size of the openings 11 and -11" (Fi-g. 8) for the inlet of the fuel gases, these inlet openings being somewhat smaller than the exhaust openings 12" and 12 of the valve 12. There is one of eachof these valves 11 and 12 for each cylinder.

The opening la communicates with the valve 11 and is for the passage of thefuel gases to the cylinder 1. ing 14 serves a similar purpose for the other cylinder. 1

Pipes 16 connectthewater spaceS in the cap 7 with the waterspace 15 in the main cylinder casting 1. y y

In the modified valve shown in section Fig. 9 I provide an annular recess 17 and an annular ring 17 therein, said ring. in thisinstance being formed in the casing incloslng the valve. The purpose of th s re cess. 17 and 17 is to provide extra joints to prevent leakage of the gases from the cylinders under pressure.

. From the foregoing description it will be 4 understood that the two valves 11 are Slllll more surely lar and have the same size openings the 2 The opposite openonly difference being in the position of the openings and that the two valves 12 have the same size openings which are also in different positions.

A sprocket 1S operated by a chain 19 connected with the crank shaft of the engine (not shown) serves to rotate the valve one revolution for every two of the crank shaft as is usual in the ordinary four cycle type of internal combustion engine.

To provide proper joints and prevent leakage of the gases 1 make the sides of the valves 11 and 12 fit very closely the sides of the recesses in which they are inclosed and I provide a space around the periphcries of the valves in the recesses inwhich they are 'inclosed. A space is also left around the shaft 13 between the valves. Said shaft 13 is supported in bearings 20 and 21 outside of the valves and should there be slight wear of the bearings 20 and 21 or of the shaft in said bearings, the peripheries of the valves will not come in contact with the'casing. As the pressure in the combustion chamber 2 is balanced, being practically the same on the inner side of each valve, there will be no undue wear from this source.

23 is an opening for an ordinary electric sparkplug.

In the operation of my improved engine it will be understood that the gases will be drawn into the cylinder 1 through the opening 14 and through the valve 11 and the exhaustgases will be expelled through the opening 3 and the valve 12 and into the atmosphere through the exhaust opening 22, which serves for both cylinders.

22 is an opening through the valve casing 10 tothe exhaust opening.

It will be-understood that the details of my improvement may be varied if desired without departing from the spirit of my invention.

Having thus described my invention what I claim as new and desire to secure by Letters Patent is 1. In a gas engine, in combination, a rotary valve comprising an inclosed hollow cylinder having a gas passage through each end wall thereof to the hollow interior of said valve, said openings being angularly disposed with reference to each other, and a casing for said valve having a cylindri cal recess formed therein closely fitting said valve, said casing including end walls adjacent said valve and having gas passages therethrough angularly disposed with reference to each other and corresponding in relative angular" position to the passages in the end walls of the rotary valve.

2. In a gas engine, in combination, a valve shaft, a plurality'of spaced separate cylindrical valves having gas passages through their end walls only and rotatablewlth said shaft, a valve casing having a plurality 'of spaced substantially scn'ii-cylirdrical recusses formed therein to receive said valves, and a casing cap having a corresponding number of similarly disposed substantially semi-cylindrical recesses formed therein, said casing and cap being se1ira; lc along a substantially axial plane, wheieby said shaft and valves may be removed as a unit without loss of relative adjustment, the parallel walls of the recesses in the casing having ports formed therein connecting with the engine cylinders and the parallel walls of the recesses in said cap having ports formed therein connected to the gas supply and to the exhaust.

3. In a gas engine, in combination, a cylinder, a combustion chamber connected therewith, inlet and outlet ports formed in opposite sides of said combustion chamber, apair of rotary disk valves located in recesses on each side of said combustion chamher, and a cap for said valves having additional ports formed therein, each ofsaid valves having a hollow interior .portion formed between the sides thereof and having an opening through one of said sides adapted to register with one of the ports in;

the con'ibustion chamben'and a second open-v ing through its opposite side adapted to register with one of the ports in said cap, the openings in the opposite sides of said alve being out of axial alinement with each other.

4-. in an internal combustion enginu, :1 cyliuder casting, a removable cap for said casting, means to secure said cap to said casting, a rotary 'alve shaft, a disk valve on said shaft having an opening tl'iereflhrough, and means to rotate said shaft and valve, said :asting and cap being separable substantially in the plane of the axis of said valve shaft and having oppositely disposed valve recesses therein, and said casting and cap having ports formed therein to register with the opening in said valve.

5. In, an internal combustion engine, a cylinder casting, a removable cap for said casti'ng, means to secure said cap to said casting, a rotary valve shaft, a hollow disk valve on said shaft having openings through .the end walls thereof, and means to rotate said shaft and valve, said casting and cap being separable substantially in the plane of the axis of said valve shaft and having oppositely disposed valve recesses therein, said casting having a port to register with the opening in one side of said valve and saidcap having a port to register with the openingin the opposite side of said valve a (i. In an internal combustion engine, a cylinder casting, a removable cap for said casting, means to secure said cap to said casting, a rotary valve shaft, a hollow disk valve integral with said shaft and having openings '1 throughfhe ez ld Wells thereof, and fiaans to space and said cap having an exhaust porf rotate said shaft end'valve, said casting and, from the other'valwe recess to the atmoseap being separable substantlally in the phere.

having oppositely disposed valve I recesses WiznJesses:

plane of theaxis of said valve shaft and I EPPA H. d

thereln, sa'id castinghaving'a port from E. C. BoLEs,

' one of said valve recesses to saidcylindrieal O. W. GRANT.- 

